saihemanth-cloudera commented on code in PR #6683:
URL: https://github.com/apache/hive/pull/6683#discussion_r4459221898
##########
ql/src/java/org/apache/hadoop/hive/ql/ddl/table/info/show/status/ShowTableStatusAnalyzer.java:
##########
@@ -81,4 +89,24 @@ public void analyzeInternal(ASTNode root) throws
SemanticException {
task.setFetchSource(true);
setFetchTask(createFetchTask(ShowTableStatusDesc.SCHEMA));
}
+
+ /**
+ * Register table read inputs for authorization. Resolves the SQL LIKE
pattern against the tables
+ * in the database the same way {@link ShowTableStatusOperation} does, so
every table whose
+ * metadata is returned is authorized.
+ */
+ private void addReadEntitiesForShowTableExtendedPattern(String dbName,
String pattern)
+ throws SemanticException {
+ try {
+ Pattern likePattern =
Pattern.compile(UDFLike.likePatternToRegExp(pattern),
+ Pattern.CASE_INSENSITIVE);
+ for (String name : db.getTablesForDb(dbName, null)) {
Review Comment:
Yes, this approach addresses both concerns. Also, An immutable copy in the
descriptor would also prevent accidental mutation.
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